CN203181685U - Greenhouse solar small-diameter drip irrigation device - Google Patents
Greenhouse solar small-diameter drip irrigation device Download PDFInfo
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- CN203181685U CN203181685U CN2013202355004U CN201320235500U CN203181685U CN 203181685 U CN203181685 U CN 203181685U CN 2013202355004 U CN2013202355004 U CN 2013202355004U CN 201320235500 U CN201320235500 U CN 201320235500U CN 203181685 U CN203181685 U CN 203181685U
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- drip irrigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping
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Abstract
The utility model discloses a greenhouse solar small-diameter drip irrigation device. The device comprises a water source; a water pump is arranged in the water source; the water pump is powered by a storage battery; the storage battery is charged by a solar panel; the water pump is connected with a drip irrigation system through a pipeline; and a fertilization tank, filter equipment and a water supply tank are arranged on the pipeline in turn. According to the device, the work pressure of a low-pressure drip irrigation system and a capillary optimization design method are taken as theoretical basis; a greenhouse small-diameter low-pressure embedded patch-type drip irrigation tape is developed; and through benefit calculation and theoretical derivation, the design requirements of pressure deviation and irrigation uniformity are met and the cost is reduced by 22 percent. The device can operate in an environment without a power supply for a long time; and greenhouse crops can still be irrigated on consecutive rainy days by the electricity stored by the storage battery.
Description
Technical field
The utility model belongs to the drip irrigation technique field, relates to a kind of drip irrigation appliance, particularly relates to a kind of greenhouse solar tubule footpath drip irrigation appliance, is used for solving the irrigation problem of power-shortage area greenhouse economic crops.
Background technology
Drip irrigation technique is obtained productivity effect and economic benefit preferably with less duty, becomes the major measure of countries in the world developing modern agriculture.At present, in the existing drip-irrigation technology of China, mainly there is following problem:
1, adopts higher working head more
The average working head of water dropper is drip irrigation system design and one of important technology parameter of moving in drip irrigation system.The water dropper operating pressure is more high, and the pump head that needs is more high, and energy consumption cost is more big; Zhang Guoxiang also proposed design working head of emitter and adopts the custom value (7m ~ 10m), often cause the waste of investment and operating cost, so the design of drip irrigation system can exploit potentialities is for drip irrigation system low pressure value provides certain foundation in 2005.
2, the SMD irrigate bands of adopting big caliber more
Though such irrigate band can reach the effect of water-saving irrigation, cost is higher, is unfavorable for applying of drip-irrigation technology.The water dropper operating pressure is more big, and the water pressure that hollow billet, arm and main need bear is more big, and pipeline wall thickness is more big, and the pipeline consumable quantity is more big, has caused the increase of investment operating cost virtually.
3, for the greenhouse economic crops away from residential area or village, because the drip-irrigation system adopts the traditional energy energy consumption bigger, the effective supply of power supply is subject matter.
Summary of the invention
At above-mentioned problems of the prior art and defective, the purpose of this utility model is, a kind of greenhouse solar tubule footpath drip irrigation appliance is provided, the drip irrigation pipe network of this device adopts the SMD irrigate band of edge and supporting arm in the little caliber of having developed in greenhouse, under the low pressure condition, by the solar panel power supply, can carry out drip irrigation for chamber crop for a long time.
In order to realize above-mentioned task, the utility model is taked following technical solution:
A kind of greenhouse solar tubule footpath drip irrigation appliance, comprise the water source, in described water source, water pump is installed, the institute, state water pump and provide power supply by accumulator, described accumulator is by solar panel charging, and described water pump is connected with drip irrigation system by pipeline, and fertilizer spreading tank, filter plant, water supply tank are installed on the described pipeline successively.
Many groups drip irrigation branch road in parallel is arranged on the described drip irrigation system, and each bar drip irrigation props up the route water supply valve and the SMD irrigate band of the interior edge of low pressure, greenhouse tubule footpath is formed.
One is formed by plagiodont labyrinth flow-path, the gentle pool of filter screen in the SMD irrigate band of edge in the low pressure of tubule footpath, described greenhouse, described plagiodont labyrinth flow-path has water inlet and delivery port, described water inlet and filter screen are communicated with, described delivery port is communicated with slow pool, and described slow pool is positioned at the length direction two ends of plagiodont labyrinth flow-path.
Be provided with direct current or direct current in the described accumulator and deliver stream device and voltage-stabilizing system.
Greenhouse solar tubule of the present utility model footpath drip irrigation appliance is object function with the hollow billet annual cost, is constraints with the flow deviation rate, and designs the arm with standard pipe size, with its theoretical foundation of directly developing as tubule.Theory based on the footpath system development of greenhouse tubule, develop a kind of SMD irrigate band of the interior edge of low pressure, tubule footpath that is applicable to the greenhouse, the SMD irrigate band of edge has overcome the higher and bigger problem of caliber of working head simultaneously in this tubule footpath low pressure, makes the investment operating cost reduce by 20%.Again, at greenhouse width arrangement, count from each water dropper of every arm, minimum with most effective and system cost is that principle is 10h according to the per day working time, two groups the longest the shortest interval fates between continuously overcast and rainy are 15 days, the electric weight that calculate to need consumes, Shai Xuan accumulator model and solar module on this basis can be for a long time moving under the non-transformer environment and the electric weight of accumulators store can still be irrigated chamber crop when overcast and rainy continuous.
Description of drawings
Fig. 1 is the structural representation of greenhouse solar tubule of the present utility model footpath drip irrigation appliance.
Fig. 2 is the SMD irrigate band of the interior edge of tubule footpath, the greenhouse low pressure structural representation of drip irrigation system of the present utility model.
Fig. 3 is the flow pressure graph of relation that simulate with CFD the SMD irrigate band of edge in the low pressure of tubule footpath, greenhouse of the present utility model.
The present invention is described in further detail below in conjunction with drawings and Examples.
Embodiment
Fig. 1 has the structural representation of novel a kind of greenhouse solar tubule footpath drip irrigation appliance from having given this reality, comprise water source 4, in described water source 4, water pump 3 is installed, described water pump 3 provides power supply by accumulator 2, described accumulator 2 is by solar panels 1 charging, described water pump 3 is connected with drip irrigation system 8 by pipeline 10, and fertilizer spreading tank 5, filter plant 6, water supply tank 7 are installed on the described pipeline 10 successively.
Many groups drip irrigation branch road in parallel is arranged on the described drip irrigation system 8, and each bar drip irrigation props up route water supply valve 9 and the SMD irrigate band of the interior edge of low pressure, greenhouse tubule footpath is formed.
Fig. 2 is the SMD irrigate band of the interior edge of tubule footpath, the greenhouse low pressure structural representation that drip irrigation system of the present utility model adopts, one is formed by the gentle pool e of plagiodont labyrinth flow-path a, filter screen d in the SMD irrigate band of edge in the low pressure of tubule footpath, described greenhouse, described plagiodont labyrinth flow-path a has water inlet b and delivery port c, described water inlet b and filter screen d are communicated with, described delivery port c is communicated with slow pool e, and described slow pool e is positioned at the length direction two ends of plagiodont labyrinth flow-path a.
Wherein, solar panels 1 and accumulator 2 are formed solar photovoltaic generation system, and solar panels 1 are converted into electric energy with luminous energy and are introduced into accumulator 2 storages, are provided with direct current or direct current in the described accumulator 2 and deliver stream device and voltage-stabilizing system.
The entrance location of the SMD irrigate band of edge is equipped with valve 9 in the low pressure of tubule footpath, described every greenhouse, to control the water supply of the SMD irrigate band of edge in this tubule footpath, greenhouse low pressure.
The operation principle of greenhouse solar tubule of the present utility model footpath drip irrigation appliance is: at first, select " the water dropper number on water level-every the irrigate band-water dropper metered flow-irrigate band internal diameter-arm diameter " concrete parameter according to actual chamber crop arrangement; Secondly, what solar panels did not stop under irradiation of sunlight is that electrical power storage is standby in battery with conversion of solar energy.Crop such as need are irrigated, and then the electric energy drive motors drives the pump working water lift and delivers to water supply tank, in this process water through filter from main through arm finally by hollow billet through the water dropper irrigated crop.If need fertilising, it is integrated only to need to open fertilizer spreading tank valve realization liquid manure at water before after filtration.The crop closing gate valve when satisfying of pouring water, pouring water stops.Again, irrigate according to method design described above, guaranteeing to save cost 20% under the irrigation quality prerequisite.
Its major design method is as follows:
1) design has the drip irrigation branch road (hollow billet) of standard pipe size:
According to the uniformity of irrigation water appilcation formula under hydraulic deviation, irrigator manufacture deviation, the local discrepancy in elevation three factor affecting of field face; Selection has the hollow billet of standard pipe size, is decision variable with the dripper design operation pressure, obtains being directly used in the dripper design operation pressure value in the actual drip irrigation project, and designs the hollow billet with standard pipe size.
2) according to tubule footpath, theory design greenhouse drip irrigation pipe, the SMD irrigate band of edge structure is as follows in its tubule footpath, greenhouse low pressure: form one by plagiodont labyrinth flow-path, the gentle pool of filter screen, the plagiodont labyrinth flow-path has water inlet and delivery port, wherein, water inlet and filter screen are communicated with, delivery port is communicated with slow pool, and described slow pool is positioned at the length direction two ends of plagiodont labyrinth flow-path.
3) Fig. 3 is the flow pressure graph of relation that simulate with CFD the SMD irrigate band of edge in the low pressure of tubule footpath, greenhouse of the present utility model.
Derive pressure divergence and uniformity of irrigation water appilcation all meets design requirement and cost has reduced by 20% by benefit calculation and theory, and designed in the low pressure of tubule footpath, greenhouse and inlayed the concrete arrangement that SMD irrigate band is applied to the greenhouse, its parameter is: when the SMD irrigate band of edge is arranged along the greenhouse width in the low pressure of greenhouse tubule footpath, when length is 8m, the water level 3m at water source, water dropper rated pressure 1m, water dropper fluidised form index k is 0.4964, water dropper metered flow q is 2L/h, water dropper number in the low pressure of tubule footpath, every greenhouse on the SMD irrigate band of edge is 26, the SMD irrigate band of edge internal diameter is 8mm in the low pressure of tubule footpath, greenhouse, arm diameter 50mm, drip irrigation branch road are 90.
4) according to the arrangement of this drip irrigation pipe, select the drip irrigation pipe network parameters, at first, calculate the pipeline total flow, secondly, calculate frictional head loss and the local head loss of the SMD irrigate band of edge in the low pressure of drip irrigation branch road and greenhouse tubule footpath, again, determine lift and the power of water pump 3, select water pump 3 models, at last, calculate power and the quantity of solar panels 1.Concrete parameter as: the water level at water source 4 is 3m, and flow is 6m
3/ h selects 10% surplus, and water pump 3 is selected Shanghai sail DC submersible electric pump forever, and its model is: ZQB4 * 5-12, each parameter is: metered flow 6 m
3/ h, rated head 5 m, voltage 12V, power 90W, pipe arrangement bore 50mm.Water pump 3 continuous operation power 90W select 10% surplus, and the power that needs solar panels 1 to provide is 100W.Accordingly, solar panels 1 are chosen the photosynthetic Solar Co., Ltd in Changsha solar module, its basic parameter is as follows: model is GHM-15, peak power 15W, optimum operating voltage 17.5V(12V charge in batteries normal voltage), glass size 62.5 * 41.66mm, solar components is of a size of 310 * 430 * 17mm.Therefore, need the parallel connection of 7 standard solar components altogether; It is four of the solar storage batteries of 1000 (Ah) that power storage system 2 is selected the capacity of Shenzhen Hua Lisai Science and Technology Ltd.s, and its parameter is 12V, 250AH.
Below be the detailed process of the design of solar photovoltaic generation system:
(1) the capacity BC of accumulator
Computing formula is: BC=A * QL * NL * TO/CC=1.3 * 83 * 7 * 1/0.75=1007A ﹒ h
In the formula: A-be safety coefficient, get between 1.1～1.4; (getting 1.3)
QL-be the per day power consumption of load, for operating current multiply by a day work hourage; (100W/12V * 10h=83A ﹒ h)
NL-for the longest continuous overcast and rainy days, get 7d.
TO-be temperature correction coefficient generally gets 1.2 getting more than 0 ℃ to get below 1.1 ,-10 ℃ more than 1 ,-10 ℃.
CC-be the battery discharging degree of depth chooses lead-acid accumulator, and its value gets 0.75.
(2) power storage system brand, model are selected, and accumulator parameter
(3) solar cell array design
(1) solar module serial number Ns, computational methods are as follows:
Ns=UR/Uoc=（Uf＋UD＋Uc）/Uoc
Ns=（15+0.7+0）/17.5≈1
In the formula: UR-be that solar cell array is exported minimum voltage;
Uoc-be the optimum operating voltage of solar module;
Uf-be accumulator float charge voltage (Uf=15V); UD-be diode drop, generally get 0.7V;
UC-for the pressure drop that other factor causes, get 0.
(2) solar module number Np in parallel
Before determining NP, determine the computational methods of its correlative earlier.
1. with the Sun Day amount of radiation Ht of solar cell array infield, count H when converting the radiation in average day under etalon optical power to:
H=Ht×2.778／10000h=12781×2.778／10000h=3.55
With reference to each department day radiation scale: Ht=12781KJ/m
2D is the Sun Day amount of radiation in area, Xi'an, and Kop gets 0.9275;
In the formula: 2.778/10000(hm
2/ kJ) for day amount of radiation be scaled etalon optical power (1000W/m
2) under average day radiation the time number coefficient.
2. solar module day generated energy Qp
Qp=Ioc×H×Kop×Cz=(P/U)×H×Kop×Cz=100/17.5×3.55×0.9275×0.8≈15.1AH
In the formula: Ioc-be the solar module recommended current; Kop-be the inclined-plane correction factor;
Cz-be correction factor, generally get 0.8.
3. two groups the longest the shortest interval fate Nw between continuously overcast and rainy get 15d, and these data be the design's unique distinction, and main consideration replenishes the accumulator electric-quantity of loss in the section at this moment, needs additional accumulator capacity Bcb be:
Bcb=A×QL×NL=1.3×83×10=1079A
.h
4. the computational methods of solar module number Np in parallel are:
Np=（Bcb＋Nw×QL）/（Qp×Nw）=(1079+7×83)/?(15.1×15)?=7
(3) power calculation of solar cell array
According to the connection in series-parallel number of solar module, can draw the power P of required solar cell array:
P=Po×Ns×Np=15×1×7=105W
In the formula: Po is the rated power 15W of single solar module.
Choose the photosynthetic Solar Co., Ltd in Changsha solar module, its basic parameter is as follows: model is GHM-15, peak power 15W, optimum operating voltage 17.5V(12V charge in batteries normal voltage), glass size 62.5*41.66mm, size of components 310*430*17mm.Therefore, need 7 solar module parallel connections altogether, accumulator capacity is 1000 (Ah).
Claims (3)
1. greenhouse solar tubule footpath drip irrigation appliance, comprise water source (4), it is characterized in that, water pump (3) is installed in described water source (4), described water pump (3) provides power supply by accumulator (2), described accumulator (2) is by solar panels (1) charging, and described water pump (3) is connected with drip irrigation system (8) by pipeline (10), and fertilizer spreading tank (5), filter plant (6), water supply tank (7) are installed on the described pipeline (10) successively.
2. greenhouse solar tubule according to claim 1 footpath drip irrigation appliance, it is characterized in that, many groups drip irrigation branch road in parallel is arranged on the described drip irrigation system (8), and each bar drip irrigation props up route water supply valve (9) and the SMD irrigate band of the interior edge of low pressure, greenhouse tubule footpath is formed.
3. greenhouse solar tubule according to claim 2 footpath drip irrigation appliance, it is characterized in that, one is formed by plagiodont labyrinth flow-path (a), the gentle pool (e) of filter screen (d) in the SMD irrigate band of edge in the low pressure of tubule footpath, described greenhouse, described plagiodont labyrinth flow-path (a) has water inlet (b) and delivery port (c), described water inlet (b) and filter screen (d) are communicated with, described delivery port (c) is communicated with slow pool (e), and described slow pool (e) is positioned at the length direction two ends of plagiodont labyrinth flow-path (a).
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103838144A (en) * | 2013-12-30 | 2014-06-04 | 林兴志 | Sugarcane precision planting drip irrigation modeling control method based on Internet-of-Things soil analysis |
| CN104041384A (en) * | 2014-05-30 | 2014-09-17 | 上海禧龙太阳能科技有限公司 | Method and system for saving water for photovoltaic intelligent nanometer micro moisturizing irrigation |
| CN104429270A (en) * | 2014-12-01 | 2015-03-25 | 石家庄鑫农机械有限公司 | Fertilizing method and water-fertilizer mixing device |
| CN105660024A (en) * | 2016-01-06 | 2016-06-15 | 东莞一翔液体肥料有限公司 | Rice fertilization-with-water device |
| CN106234163A (en) * | 2016-07-29 | 2016-12-21 | 大禹节水（天津）有限公司 | A kind of solar energy drip irrigation system |
| CN112136667A (en) * | 2020-11-26 | 2020-12-29 | 江苏久智环境科技服务有限公司 | Intelligent sprinkling irrigation method and system based on edge machine learning |
-
2013
- 2013-05-04 CN CN2013202355004U patent/CN203181685U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103838144A (en) * | 2013-12-30 | 2014-06-04 | 林兴志 | Sugarcane precision planting drip irrigation modeling control method based on Internet-of-Things soil analysis |
| CN103838144B (en) * | 2013-12-30 | 2016-09-21 | 广西卡西亚科技有限公司 | Caulis Sacchari sinensis precision farming drip irrigation based on Internet of Things soil analysis modeling control method |
| CN104041384A (en) * | 2014-05-30 | 2014-09-17 | 上海禧龙太阳能科技有限公司 | Method and system for saving water for photovoltaic intelligent nanometer micro moisturizing irrigation |
| CN104041384B (en) * | 2014-05-30 | 2017-08-04 | 上海禧龙太阳能科技有限公司 | A kind of micro- profit water-efficient irrigation method and system of photovoltaic intelligentization nanometer |
| CN104429270A (en) * | 2014-12-01 | 2015-03-25 | 石家庄鑫农机械有限公司 | Fertilizing method and water-fertilizer mixing device |
| CN105660024A (en) * | 2016-01-06 | 2016-06-15 | 东莞一翔液体肥料有限公司 | Rice fertilization-with-water device |
| CN106234163A (en) * | 2016-07-29 | 2016-12-21 | 大禹节水（天津）有限公司 | A kind of solar energy drip irrigation system |
| CN112136667A (en) * | 2020-11-26 | 2020-12-29 | 江苏久智环境科技服务有限公司 | Intelligent sprinkling irrigation method and system based on edge machine learning |
| CN112136667B (en) * | 2020-11-26 | 2021-02-12 | 江苏久智环境科技服务有限公司 | Intelligent sprinkling irrigation method and system based on edge machine learning |
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